提点意见，或许用正式合同(formal contract)与关系型合同（relational contract）的概念展开分析更好一些。这两个概念是通用的概念，而且还是热门。
基于1069个网页-相关网页
A formal contract 正式合同 ; 正式契约
entry into formal contract 进入正式的合同 ; 进入正式合同
Informal Contract and Formal Contract 非要式契约与要式契约
Lack of a formal contract 缺少正式合同
the formal contract for signature 正式签订合同
The formal contract 正式合同
perfect and formal contract 完备的正式的契约
Somebody though the insurance contract shall be formal because he considers the formal contract is equal to the written contract. In fact, the content of insurance contract can be put up thought insurance certifications, so that the insurant can take the onus probandi easily.
而学界有人认为保险合同是要式合同,是因其简单地认为要式合同即书面合同,其实保险合同的内容也可以通过书面的保险单证的形式出现,以解决投保人的举证合同存在困难之问题。
参考来源 - 论保险合同的成立与生效·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
A formal contract is signed which is renewable annually.
签署的一份正式合同每年可续签一次。
We hurried an oral agreement before signing a formal contract.
在签正式合同之前，我们先草签了一份口头协议。
An SLA is a formal contract between a service provider and a client, guaranteeing quantifiable network performance at defined levels.
SLA是服务提供商和客户之间签订的正式合约，确保在某个具体级别上实现可度量的网络性能。
应用推荐